Demographics & People — Miller City, Ohio
Population Overview
| Population (Census) | 141 |
| Estimated 2026 | ~400 |
| Median Age | 34.0 |
| Total Households | 62 |
| Family Households | 40 |
| Average Household Size | 2.24 |
| Diversity Index | 0.028 (relatively homogeneous) |
Race & Ethnicity
| White | 139 |
| Black or African American | 2 |
| Asian | 0 |
| Hispanic or Latino | 0 |
Heritage & Ancestry
| Group | Count |
| German | 94 |
| Dutch | 24 |
| American | 23 |
| Unclassified or not reported | 16 |
| Canadian | 5 |
| English | 4 |
| Other groups | 3 |
| Other Subsaharan African | 2 |
| Subsaharan African | 2 |
| British | 1 |
Language
| English Only | 123 |
| Spanish | 2 |
| Population 5+ | 127 |
Veterans
| Veterans | 6 |
| Population 18+ | 106 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Miller City, Ohio.